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build system: produce link map. Rather useful when you
are wondering why your busybox is much bigger that you hoped for.
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parent
3ce293b585
commit
84a9b8750e
2
Makefile
2
Makefile
@ -563,7 +563,7 @@ busybox-all := $(core-y) $(libs-y)
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# May be overridden by arch/$(ARCH)/Makefile
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quiet_cmd_busybox__ ?= LINK $@
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cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) $(LDFLAGS) \
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-o $@ \
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-o $@ -Wl,-M \
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-Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
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-Wl,--start-group $(busybox-all) -Wl,--end-group
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@ -6,7 +6,7 @@ try() {
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added="$1"
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shift
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$debug && echo "Trying: $* $added"
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"$@" $added >/dev/null 2>&1 \
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"$@" $added >busybox.map 2>busybox_ld.err \
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&& exit 0
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}
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@ -14,5 +14,5 @@ try "" "$@"
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try "-lm" "$@"
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try "-lcrypt" "$@"
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try "-Wl,--start-group -lcrypt -lm -Wl,--end-group" "$@"
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# It failed. Rerun & let people see the error messages
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"$@" $added
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# It failed. Let people see the error messages
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cat busybox_ld.err
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